Johansson, Erika
Falkstedt, Daniel
Almroth, Melody
Funding for this research was provided by:
Karolinska Institute
Article History
Received: 4 October 2021
Accepted: 11 February 2022
First Online: 19 February 2022
Declarations
:
: This article is based on administrative and medical register data which was de-identified by Statistics Sweden (SCB). Register data is based on passive consent. The study was approved by the Regional Ethics Review Board in Stockholm (reference number 2017/1224-31 and 2018/1675-32) and is in accordance with Swedish law and The Council for International Organizations of Medical Sciences (CIOMS) international ethical guidelines for health-related research involving humans.
: There is no identifying information on any of the participants in the study.
: None to declare.